Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nibis.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 17:16:20 UTC · ↺ Refresh
MX Hostnames
- mail.nibis.de
MX Priorities
- mail.nibis.de: 10
A / AAAA Records
- 104.18.18.218 (no PTR)
- 104.18.19.218 (no PTR)
- 2606:4700::6812:12da (no PTR)
- 2606:4700::6812:13da (no PTR)
Mail Server IPs
- 94.130.128.186 ↩ mail1.nibis.de
- 2a01:4f8:13b:3b47::3 ↩ mail1.nibis.de
SOA Record
Raw SOA
brian.ns.cloudflare.com dns.cloudflare.com 2400098593 10000 2400 604800 1800
Primary NS (mname)
brian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400098593
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
brian.ns.cloudflare.com
heather.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr a:mail1.nibis.de a:schulleitungspostfach.nibis.de ip4:213.23.76.0/24 ip4:213.239.225.126/32 ip4:94.130.128.186/32 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a mx ptr a:mail1.nibis.de a:schulleitungspostfach.nibis.de ip4:213.23.76.0/24 ip4:213.239.225.126/32 ip4:94.130.128.186/32 ~all
- google-site-verification=5osR2XP1Pzap8MJKOEOYcx8eCbPHjyPuyQbmdGz1Tt4
- google-site-verification=ZDY_7y8z-un96sj5ryMA4nI4LoOn6VPEMi1J1nmqaDc
Full email verification for nibis.de
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